1 files changed, 37 insertions, 10 deletions
diff --git a/packages/taler-harness/src/harness/harness.ts b/packages/taler-harness/src/harness/harness.ts
index 275592091..0b7ba14cf 100644
--- a/packages/taler-harness/src/harness/harness.ts
+++ b/packages/taler-harness/src/harness/harness.ts
@@ -1169,6 +1169,29 @@ export class ExchangeService implements ExchangeServiceInterface {
     return !!this.exchangeWirewatchProc || !!this.exchangeHttpProc;
   }
 
+  /**
+   * Stop the wirewatch service (which runs by default).
+   *
+   * Useful for some tests.
+   */
+  async stopWirewatch(): Promise<void> {
+    const wirewatch = this.exchangeWirewatchProc;
+    if (wirewatch) {
+      wirewatch.proc.kill("SIGTERM");
+      await wirewatch.wait();
+      this.exchangeWirewatchProc = undefined;
+    }
+  }
+
+  async startWirewatch(): Promise<void> {
+    const wirewatch = this.exchangeWirewatchProc;
+    if (wirewatch) {
+      logger.warn("wirewatch already running");
+    } else {
+      this.internalCreateWirewatchProc();
+    }
+  }
+
   async stop(): Promise<void> {
     const wirewatch = this.exchangeWirewatchProc;
     if (wirewatch) {
@@ -1332,6 +1355,19 @@ export class ExchangeService implements ExchangeServiceInterface {
     );
   }
 
+  private internalCreateWirewatchProc() {
+    this.exchangeWirewatchProc = this.globalState.spawnService(
+      "taler-exchange-wirewatch",
+      [
+        "-c",
+        this.configFilename,
+        "--longpoll-timeout=5s",
+        ...this.timetravelArgArr,
+      ],
+      `exchange-wirewatch-${this.name}`,
+    );
+  }
+
   async start(): Promise<void> {
     if (this.isRunning()) {
       throw Error("exchange is already running");
@@ -1360,16 +1396,7 @@ export class ExchangeService implements ExchangeServiceInterface {
       `exchange-crypto-rsa-${this.name}`,
     );
 
-    this.exchangeWirewatchProc = this.globalState.spawnService(
-      "taler-exchange-wirewatch",
-      [
-        "-c",
-        this.configFilename,
-        "--longpoll-timeout=5s",
-        ...this.timetravelArgArr,
-      ],
-      `exchange-wirewatch-${this.name}`,
-    );
+    this.internalCreateWirewatchProc();
 
     this.exchangeHttpProc = this.globalState.spawnService(
       "taler-exchange-httpd",